Sec Form 4 Filing - LITCHFIELD STEVEN G @ MICROSEMI CORP - 2016-11-08

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person LITCHFIELD STEVEN G 2. Issuer Name and Ticker or Trading Symbol MICROSEMI CORP [ MSCC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP & Chief Strategy Officer (Last) (First) (Middle) ONE ENTERPRISE 3. Date of Earliest Transaction (MM/DD/YY) 11/08/2016 (Street) ALISO VIEJO, CA92656 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Microsemi Common Stock 11/08/2016 M 86,712 A $ 0 157,178 D Microsemi Common Stock 11/08/2016 F 45,249 D $ 0 111,929 D Microsemi Common Stock ( 1 ) 11/08/2016 A 5,432 A $ 0 117,361 D Microsemi Common Stock 11/08/2016 F 2,835 D $ 0 114,526 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Performance Rights ( 2 ) 11/08/2016 M 29,310 ( 2 ) ( 2 ) Microsemi Common Stock 29,310 $ 0 0 ( 2 ) D Performance Rights ( 3 ) 11/08/2016 M 38,762 ( 3 ) ( 3 ) Microsemi Common Stock 38,762 $ 0 0 ( 3 ) D Performance Rights ( 4 ) 11/08/2016 M 18,640 ( 4 ) ( 4 ) Microsemi Common Stock 18,640 $ 0 0 ( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other LITCHFIELD STEVEN G ONE ENTERPRISE ALISO VIEJO, CA92656 EVP & Chief Strategy Officer Signatures Mark Lin, Attorney-in-Fact for Steven G. Litchfield 11/10/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares issued by Microsemi as part of the reporting person's bonus for fiscal year 2016. ( 2 )Each Performance Right represents a right to receive one share of Microsemi common stock. A target of 44,175 Performance Rights was granted on 11/04/2013 and between 0% and 250% of the target number may be earned over a three-year performance period incorporating Microsemi's fiscal year 2014, 2015 and 2016. This transaction reflects the number of shares earned in the third year of the performance period and a total of 66,086 were earned over the three-year performance period. ( 3 )Each Performance Right represents a right to receive one share of Microsemi common stock. A target of 64,603 Performance Rights was granted on 11/03/2014 and between 0% and 270% of the target number may be earned over a three-year performance period incorporating Microsemi's fiscal year 2015, 2016 and 2017. This transaction reflects the number of shares earned in the second year of the performance period and a total of 64,603 were earned in the first two years of the performnce period. ( 4 )Each Performance Right represents a right to receive one share of Microsemi common stock. A target of 46,600 Performance Rights was granted on 10/12/2015 and between 0% and 270% of the target number may be earned over a three-year performance period incorporating Microsemi's fiscal year 2016, 2017 and 2018. This transaction reflects the number of shares earned in the first year of the performance period.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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